name: Documentation

on:
  pull_request:
  push:
    branches:
      - main
    tags:
      - "v*"
  workflow_dispatch:

concurrency:
  group: "pages-${{ github.ref }}"
  cancel-in-progress: true

jobs:
  docs:
    name: Build and Deploy Documentation
    runs-on: ubuntu-latest
    if: secrets.CLOUDFLARE_API_TOKEN != ''

    steps:
      - name: Sync repository
        uses: actions/checkout@v5
        with:
          persist-credentials: false
          fetch-depth: 0

      - name: Setup mdBook
        uses: https://github.com/peaceiris/actions-mdbook@v2
        with:
          mdbook-version: "latest"

      - name: Build mdbook
        run: mdbook build

      - name: Prepare static files for deployment
        run: |
          mkdir -p ./public/.well-known/matrix
          mkdir -p ./public/.well-known/continuwuity
          mkdir -p ./public/schema
          # Copy the Matrix .well-known files
          cp ./docs/static/server ./public/.well-known/matrix/server
          cp ./docs/static/client ./public/.well-known/matrix/client
          cp ./docs/static/client ./public/.well-known/matrix/support
          cp ./docs/static/announcements.json ./public/.well-known/continuwuity/announcements
          cp ./docs/static/announcements.schema.json ./public/schema/announcements.schema.json
          # Copy the custom headers file
          cp ./docs/static/_headers ./public/_headers
          echo "Copied .well-known files and _headers to ./public"

      - name: Detect runner environment
        id: runner-env
        uses: https://git.tomfos.tr/actions/detect-versions@v1

      - name: Setup Node.js
        if: steps.runner-env.outputs.node_major == '' || steps.runner-env.outputs.node_major < '20'
        uses: https://github.com/actions/setup-node@v5
        with:
          node-version: 22

      - name: Cache npm dependencies
        uses: actions/cache@v3
        with:
          path: ~/.npm
          key: continuwuity-${{ steps.runner-env.outputs.slug }}-${{ steps.runner-env.outputs.arch }}-node-${{ steps.runner-env.outputs.node_version }}

      - name: Install dependencies
        run: npm install --save-dev wrangler@latest

      - name: Deploy to Cloudflare Pages (Production)
        if: github.ref == 'refs/heads/main' && vars.CLOUDFLARE_PROJECT_NAME != ''
        uses: https://github.com/cloudflare/wrangler-action@v3
        with:
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          command: pages deploy ./public --branch="main" --commit-dirty=true --project-name="${{ vars.CLOUDFLARE_PROJECT_NAME }}"

      - name: Deploy to Cloudflare Pages (Preview)
        if: github.ref != 'refs/heads/main' && vars.CLOUDFLARE_PROJECT_NAME != ''
        uses: https://github.com/cloudflare/wrangler-action@v3
        with:
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          command: pages deploy ./public --branch="${{ github.head_ref || github.ref_name }}" --commit-dirty=true --project-name="${{ vars.CLOUDFLARE_PROJECT_NAME }}"
